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syntax = "proto3";
package yandex.cloud.speechsense.v1;
option java_package = "yandex.cloud.api.speechsense.v1";
option java_outer_classname = "AudioProto";
option go_package = "github.com/yandex-cloud/go-genproto/yandex/cloud/speechsense/v1;speechsense";
// RAW Audio format spec (no container to infer type). Used in AudioFormat options.
message RawAudio {
enum AudioEncoding {
AUDIO_ENCODING_UNSPECIFIED = 0;
// Audio bit depth 16-bit signed little-endian (Linear PCM).
AUDIO_ENCODING_LINEAR16_PCM = 1;
}
// Type of audio encoding
AudioEncoding audio_encoding = 1;
// PCM sample rate
int64 sample_rate_hertz = 2;
// PCM channel count.
int64 audio_channel_count = 3;
}
// Audio with fixed type in container. Used in AudioFormat options.
message ContainerAudio {
enum ContainerAudioType {
CONTAINER_AUDIO_TYPE_UNSPECIFIED = 0;
// Audio bit depth 16-bit signed little-endian (Linear PCM).
CONTAINER_AUDIO_TYPE_WAV = 1;
// Data is encoded using the OPUS audio codec and compressed using the OGG container format.
CONTAINER_AUDIO_TYPE_OGG_OPUS = 2;
// Data is encoded using MPEG-1/2 Layer III and compressed using the MP3 container format.
CONTAINER_AUDIO_TYPE_MP3 = 3;
}
// Type of audio container.
ContainerAudioType container_audio_type = 1;
}
// Audio format options.
message AudioMetadata {
oneof AudioFormat {
// Audio without container.
RawAudio raw_audio = 1;
// Audio is wrapped in container.
ContainerAudio container_audio = 2;
}
}
// Data chunk with audio.
message AudioChunk {
// Bytes with audio data.
bytes data = 1;
}
// Streaming audio request
// First message should be audio metadata.
// The next messages are audio data chunks.
message AudioStreamingRequest {
oneof AudioEvent {
// Session options. Should be the first message from user.
AudioMetadata audio_metadata = 1;
// Chunk with audio data.
AudioChunk chunk = 2;
}
}
// request for sending small audios (< 128 mb) in one go
message AudioRequest {
// audio metadata
AudioMetadata audio_metadata = 1;
// Bytes with audio data.
AudioChunk audio_data = 2;
}
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